Tahm Kench, River King

Devour 1 (As this creature enters the battlefield, you may sacrifice any number of creatures. This creature enters the battlefield with that many +1/+1 counters on it.)
Tahm Kench, Underworld Glutton has deathtouch if 3 creatures have been devoured, lifelink if 7 creatures, and indestructible if 12 creatures.